ZFS race condition?

Marcel Moolenaar xcllnt at mac.com
Wed Sep 24 00:58:30 UTC 2008


On Sep 23, 2008, at 5:47 PM, Peter Grehan wrote:

> Hi Marcel,
>
>> Anyone else playing with ZFS on PowerPC seeing this?
>
> It's on my todo list but you're a long way ahead of me :)

I just happened to have a disk that I could use (one I use
only for the release builds)...

> You could try the 'null' stwcx in the context switch asm to flush  
> any pending reservations - I think I may have sent you mail about  
> this a long while back. This may result in two sections of code both  
> thinking they have a lock.

Good call. I looked at that as part of the SMP work, but
forgot about it already...

Thanks,

-- 
Marcel Moolenaar
xcllnt at mac.com





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